Cylinder rotary snow-plow.



No. 707,|2I.

Patented Aug. I9, |902. n.11. nvm-zn'. Y cYLmnEn fromm! snow PLow.

(Application mea 'my s, 1897.)

3 Shania-Sheet l.

(No Model.)v

TH: NnRmS PErEns cov. PHdToLYTHD.. WASHINUTQN. D4 l:A

Ptented Aug. I9, i902;

No. 70mm.

H. H. KnYaEn. CYLINDER RUTARY SNDW PLOW.

' (Applicacion mea my a, 1897.)

(No Model.)

' WEZ/265565 m: Norms Firms su., wofuumo.. msmunrn. n. c.,

UNITED STATESA PATENT OFFICE.

HENRY H; KRYGER, or MINNEAPOLIS,`- MINNESOTA.

cYLlNDER ROTARY sNow-PLOW.

SPECIFICATION forming part of Letters IIEa-.i-.eni'l` No.` '70i',121,'dated `August 19,1902.

Appncmon sled May 3, 1897. serial No. 634.9735 ci@ model.)

' olis, in the county. of Hennepin and State of Minnesota, have invented new and useful Im provements in Cylinder Rotary Snow-Flows, of which the following is a full, clear, and eX- act description, reference being had to the accompanying drawings, which form a part of this specification.

My invention relates to devices for remov-' Ving snow from railroad-tracks; and it consists of the construction,`combination,an d arrangements of the parts or elements hereinshown and hereinafter described.

In the accompanying drawings, Figure 1 is side elevation of my plow complete; Fig. 2, a

top View of langer, Fig. 3, the automatic Fig. 4 is a wing of 4fan or,

danger-raiser. blower incased, also showing the annular saws of upper and lowersections of cylinders. Fig.` v5 is a front view of fan or` blower.

is a top view of the vertical cylindersgI Fig. 7 represents auxiliaryv or extension cylinders, Fig. 8, a section of Fig. 6,taken on the line a a..

Figs. 9, 10, 11, and'1`2 are details. p

Similar figures rindicate .similar par'ts throughout the several views, gurel; being the car upon which my snow-plow is mounted and by which it is carried; 2, the twin cylinders; 3, the fan; 4, the'fianger, and 5 the en'F v =tion' ofthe fan`3,whi'ch`-fa`n is reversible and gine that runs thefanand flanger. 1

The car l may be of any construction adapt-v ed to the purpose.

The twin cylinders@ are mounted upon the forward portion vof the. car l. They are secured to and revolved by shafts 6 6, which shafts incline from the perpendicular, their inclination beingforward at an angle of from ten to twenty degrees. The lower portions of these cylindersA are smaller than the remaining portions, aswill`-hereinafter be understood. They are provided upon their circumferential sides with o'pengkuives or cutters 7, longitudinally4 secured thereto, which' knives serve to cut the snow parallel therewith, with annular saws or having series of saw-teeth S, which serve to cut the snow at an angle of ninety degrees thereto, and with carriers 9, which serve to carry the disintegrated snow to the fan 3. These twin cylinders revolve in Fig. 6v

detailed description ofqthesame herein.

Thefan 3is partlyinclosedby the case 10, the front sideuof which'islleft open to admit thegdisintegrated; snow thereto."v `It is provided withtwo penings 11,11.. (Shown in Fig. 6 and again in dotted' lines in Fig. 8;) These openingsdare locatedin its roof,.,one extendiing 'obliquelyto the right` andthe other exjtending obliquely to'the left., These openings are covered by valves or doors 112", which valvcs are affixed to the shafts,12.12. These shaftsinturn are provided with the gearwheels 13 13,' which serve to'lopeate them and to open and;close the valves 11a. 14 is anl intermediate gear-wheel, which simultaneously operates the gear-wheels 13 13. This gear-wheelfli is provided with ashaft 15 and a hand-wheel 16, by means of .which it is op- .eratedbyfthe,engine-driver. It will be seen thatlbut one ofthe'openingsll can be employed at once andthe same time, the one :usedibeing determined by the direction of monay be rungin either. direction, according to the directionin' which it is desirable to throw the snow. This is accomplished by reversing the engine which drives the fan in the usual .manner 0f reversing motion. In Fig. 7'I show auxiliary or extension cylinders armed with cutters and carriers, which may be employed where the snow is very deep. They are se` cured to the end of shafts 6 6 by means of set-bolts or their equivalents ormay bebolted to the top end of cylinders ,I Theianger 11 (shown in Fig. 2) consists of anincased wheel 17, affixed to and revolved byla'verticalshaft 18. It is provided at its *peripleryA with teeth, their purpose being to cut the snow or ice from between the rails or track, while the radial arms 4d serve as a fanto blow the disintegrated snow olf the track. It is se- IOO cured to theioor of the car 1, and is raised or iowered by means of the automatic flanger-raiser 19. The purpose of the iaugerraiser is to raise the danger when passing a frog or crossing, its operation being as follows: The wheels 19" strike the frogs or crossing-rails and in riding over the same raise the shaft and framel 9. This in turn (through the operation of the rod 20) raises the arm 21, causing it to contact with the electricallyconnected magnet 22. This in turn creates a magnetic current which actuates the steamvalve 23, thereby letting steam into the cylinder 24, which depresses the piston and rod 25 and raises the Hanger fi to pass over the frog or crossing-rails.

The twin cylinders 2 2 are driven by an engine (not shown in the drawings) through the operation of its shaft 27, the sprocketwheels 28, and the chain 29, while the fan and langer are driven by a separate engine 5 through the operation of its shaft 30, the sprocket-wheel 31, and the chain 32. The shaft 35, driven by the sprocket-wheels 28 and chain 29, rotates the twin cylinders 2 2 through the operation of the intermediate shafts 6 6.

The operation of my plow is as follows: The twin cylinders 2, contacting with a snowbank and revolving rapidly, cut the snow by means of their knives or cutters 7 and by the saw-teeth 8. The carriers 9 throw or carry the snow inward and between the cylinders 2 into the fan-case 10 therein. The fan revolving rapidly throws the disintegrated snow to the right or to the left, as the casemay be, out of the fan-case 10 to either side of the track.

Fig. 9 is a detached knife.

Fig. 10 is a detached snow-carrier.

Fig. 11 is a cross-section of snow-carrier, and Fig. 12 is a detached knife which may be aliixed to the lower and smaller sections of the twin cylinders 2 2, so that they may cut as wide a path through the snow as their upper portions. This knife 33 is shown attached in Fig. S.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In a snow-plow, the combination of the 5o forwardly-inclined twin cylinders, rotating in opposite directions upon forwardly-inclined shafts operated by covered or incased gearing; open knives, affixed upon the said twin cylinders, adapted to cut the snow par- 5 5 allel therewith; other knives or saw-teeth afxed to, and extending laterally from the said cylinders, adapted to cut the snow at an angle to the said open knives; carriers, atlxed to and rotatable with the said twin cylinders 6o adapted to carry the disintegrated snow from opposite directions inward and between them, and a partially-incased fan, revolving in the rear of the said twin cylinders; adapted to dissipate the disintegrated snow, and to force it outward through chutes in its ease, to either side of the track, substantially as shown and described.

2. The combination in a snow-plow having revolving cylinders adapted to cut a path or 7o passage therefor, and a revolving fan adapted to dissipate the disintegrated snow; of the automatically-controlled revolving Hanger, substantially as shown and described.

3. In a snow-plow having a suitable frame or support, the revolving twin cylinders 2 rotating in opposite directions, said cylinders being armed with the open knives 7 adapted to cut the snow parallel therewith, with the laterally-revolving saws 8 adapted to cut the 8o snow horizontally; and with the revolving carriers 9 adapted to carry the disintegrated snow from opposite directions between them; said cylinders being rotated by means of shafts, and gears, said shafts and gears being inciosed or incased to shield them from the snow, substantially as shown and described.

In testimony whereof I have hereunto set my hand this 25th day of March, A. D. 1897. 9o

HENRY H. KRYGER.

A. P. PETERSON, ANNA Manson. 

